Bulky non-woven fabric of polybutylene terephthalate continuous

Details Bulky non-woven fabric of polybutylene terephthalate continuous Bulky non-woven fabric of polybutylene terephthalate continuous

1983-01-24

1984-01-31

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

28247, 28254, 28262, 428288, 428296, B32B 2734, D04H 104

Patent

active

044290020

ABSTRACT:
Non-woven fabric comprising polybutylene terephthalate continuous filaments having a three-dimensional crimp of unfixed shape provides remarkable resiliency, flexibility, and strength. A method of manufacturing such non-woven fabric forms a blended yarn of polybutylene terephthalate continuous filaments and highly shrinkable continuous filaments having a low melting point through direct coupling with high speed take-off means, and subjecting the resultant web to a relax heat set.

REFERENCES:
patent: 4129675 (1978-12-01), Scott

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